gallium: rework CSO-related code in state tracker

Use the code in cso_context.c rather than st_cache.c.
Basically, binding of state objects now goes through the CSO module.
But Vertex/fragment shaders go through pipe->bind_fs/vs_state() since they're
not cached by the CSO module at this time.

Also, update softpipe driver to handle NULL state objects in various places.
This happens during context destruction.  May need to update other drivers...

1 files changed, 22 insertions, 30 deletions

diff --git a/src/mesa/state_tracker/st_atom_blend.c b/src/mesa/state_tracker/st_atom_blend.c
index 2a9d209153..6c13fc8141 100644
--- a/src/mesa/state_tracker/st_atom_blend.c
+++ b/src/mesa/state_tracker/st_atom_blend.c
@@ -33,11 +33,11 @@
  
 
 #include "st_context.h"
-#include "st_cache.h"
 #include "st_atom.h"
 
 #include "pipe/p_context.h"
 #include "pipe/p_defines.h"
+#include "cso_cache/cso_context.h"
 
 
 /**
@@ -155,44 +155,43 @@ translate_logicop(GLenum logicop)
 static void 
 update_blend( struct st_context *st )
 {
-   struct pipe_blend_state blend;
-   const struct cso_blend *cso;
+   struct pipe_blend_state *blend = &st->state.blend;
 
-   memset(&blend, 0, sizeof(blend));
+   memset(blend, 0, sizeof(*blend));
 
    if (st->ctx->Color.ColorLogicOpEnabled ||
        (st->ctx->Color.BlendEnabled &&
         st->ctx->Color.BlendEquationRGB == GL_LOGIC_OP)) {
       /* logicop enabled */
-      blend.logicop_enable = 1;
-      blend.logicop_func = translate_logicop(st->ctx->Color.LogicOp);
+      blend->logicop_enable = 1;
+      blend->logicop_func = translate_logicop(st->ctx->Color.LogicOp);
    }
    else if (st->ctx->Color.BlendEnabled) {
       /* blending enabled */
-      blend.blend_enable = 1;
+      blend->blend_enable = 1;
 
-      blend.rgb_func = translate_blend(st->ctx->Color.BlendEquationRGB);
+      blend->rgb_func = translate_blend(st->ctx->Color.BlendEquationRGB);
       if (st->ctx->Color.BlendEquationRGB == GL_MIN ||
           st->ctx->Color.BlendEquationRGB == GL_MAX) {
          /* Min/max are special */
-         blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE;
-         blend.rgb_dst_factor = PIPE_BLENDFACTOR_ONE;
+         blend->rgb_src_factor = PIPE_BLENDFACTOR_ONE;
+         blend->rgb_dst_factor = PIPE_BLENDFACTOR_ONE;
       }
       else {
-         blend.rgb_src_factor = translate_blend(st->ctx->Color.BlendSrcRGB);
-         blend.rgb_dst_factor = translate_blend(st->ctx->Color.BlendDstRGB);
+         blend->rgb_src_factor = translate_blend(st->ctx->Color.BlendSrcRGB);
+         blend->rgb_dst_factor = translate_blend(st->ctx->Color.BlendDstRGB);
       }
 
-      blend.alpha_func = translate_blend(st->ctx->Color.BlendEquationA);
+      blend->alpha_func = translate_blend(st->ctx->Color.BlendEquationA);
       if (st->ctx->Color.BlendEquationA == GL_MIN ||
           st->ctx->Color.BlendEquationA == GL_MAX) {
          /* Min/max are special */
-         blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE;
-         blend.alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
+         blend->alpha_src_factor = PIPE_BLENDFACTOR_ONE;
+         blend->alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
       }
       else {
-         blend.alpha_src_factor = translate_blend(st->ctx->Color.BlendSrcA);
-         blend.alpha_dst_factor = translate_blend(st->ctx->Color.BlendDstA);
+         blend->alpha_src_factor = translate_blend(st->ctx->Color.BlendSrcA);
+         blend->alpha_dst_factor = translate_blend(st->ctx->Color.BlendDstA);
       }
    }
    else {
@@ -201,25 +200,18 @@ update_blend( struct st_context *st )
 
    /* Colormask - maybe reverse these bits? */
    if (st->ctx->Color.ColorMask[0])
-      blend.colormask |= PIPE_MASK_R;
+      blend->colormask |= PIPE_MASK_R;
    if (st->ctx->Color.ColorMask[1])
-      blend.colormask |= PIPE_MASK_G;
+      blend->colormask |= PIPE_MASK_G;
    if (st->ctx->Color.ColorMask[2])
-      blend.colormask |= PIPE_MASK_B;
+      blend->colormask |= PIPE_MASK_B;
    if (st->ctx->Color.ColorMask[3])
-      blend.colormask |= PIPE_MASK_A;
+      blend->colormask |= PIPE_MASK_A;
 
    if (st->ctx->Color.DitherFlag)
-      blend.dither = 1;
+      blend->dither = 1;
 
-   cso = st_cached_blend_state(st, &blend);
-
-   if (st->state.blend != cso) {
-      /* state has changed */
-      st->state.blend = cso;
-      /* bind new state */
-      st->pipe->bind_blend_state(st->pipe, cso->data);
-   }
+   cso_set_blend(st->cso_context, blend);
 
    if (memcmp(st->ctx->Color.BlendColor, &st->state.blend_color, 4 * sizeof(GLfloat)) != 0) {
       /* state has changed */